CN209593684U - Terminal device - Google Patents
Terminal device Download PDFInfo
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- CN209593684U CN209593684U CN201920692496.1U CN201920692496U CN209593684U CN 209593684 U CN209593684 U CN 209593684U CN 201920692496 U CN201920692496 U CN 201920692496U CN 209593684 U CN209593684 U CN 209593684U
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- Prior art keywords
- leading note
- guide hole
- voice guide
- terminal device
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Abstract
The utility model discloses a kind of terminal device, it includes microphone (400) and sound-absorbing structure part (500), the inside of the terminal device has the leading note channel being connected to the microphone (400), and the sound-absorbing structure part (500) is arranged in the leading note channel.Above scheme can not inhibit resonance peak when can solve the microphone works of current terminal device, so as to cause the problem that recording quality is poor.
Description
Technical field
The utility model relates to technical field of communication equipment more particularly to a kind of terminal devices.
Background technique
With the propulsion of 5G technology, more stringent requirements are proposed in terms of radio frequency and antenna arrangement environment for terminal device.With
The increase in antenna headroom area, the antenna shrapnel increaseing accordingly can occupy the region that microphone was originally arranged in mainboard bottom edge,
This causes the position where microphone to need to move in further, thus cause microphone need by longer leading note channel with set
Sound hole connection is adopted on standby shell, the length in leading note channel determines the resonance frequency of microphone, and the extension in leading note channel will lead to
Microphone is formed about more sharp resonance peak in resonance frequency.It is usually amplified by gain after microphone pickup
ADC (Analog-to-Digital Converter, that is, digital analog converter) is encoded, when resonance frequency is in terminal device
When within the scope of narrowband/broadband operating frequency, the sensitivity near microphone resonance peak can be more than the threshold value of ADC and cause clipping,
Eventually lead to recording serious distortion.
The reduction of resonance peak usually is realized, still by selecting the biggish Air Filter of acoustic resistance or multi-disc Air Filter at present
Effect is limited, and the biggish Air Filter of acoustic resistance increases the risk of plug-hole.
Utility model content
The utility model discloses a kind of terminal device, and whens microphone works to solve current terminal device can not inhibit
Resonance peak, so as to cause the problem that recording quality is poor.
To solve the above-mentioned problems, the utility model adopts the following technical solutions:
The inside of a kind of terminal device, including microphone and sound-absorbing structure part, the terminal device has and the Mike
The leading note channel of wind connection, the sound-absorbing structure part are arranged in the leading note channel.
Preferably, in above-mentioned terminal device, the terminal device includes shell, mainboard upper cover and circuit board, the mainboard
Upper cover is mounted in the shell, and the circuit board setting covers on the main board, and the microphone is arranged in the circuit
On plate.
Preferably, in above-mentioned terminal device, the terminal device includes display module, and the display module is mounted on described
On shell, the surface of mainboard upper cover towards the display module offers leading note slot, and the display module is covered on described
On the notch of leading note slot, and the display module and the leading note slot form the first leading note section in the leading note channel.
Preferably, in above-mentioned terminal device, the both ends of the bottom surface of the leading note slot are offered respectively on the mainboard
The second voice guide hole and third voice guide hole of lid, the leading note channel includes second voice guide hole, the first leading note section and institute
Third voice guide hole is stated, on the leading note direction in the leading note channel, second voice guide hole, the first leading note section and described
Three voice guide holes are sequentially communicated.
Preferably, in above-mentioned terminal device, the shell offers the first voice guide hole, and the circuit board is arranged in the master
Plate upper cover deviates from the surface of the display module, and the circuit board offers the 4th voice guide hole, and the microphone is arranged described
Circuit board deviates from the plate face of the mainboard upper cover；First voice guide hole, second voice guide hole, the first leading note section, institute
It states third voice guide hole and the 4th voice guide hole is sequentially communicated and forms the leading note channel.
Preferably, in above-mentioned terminal device, leading note bracket is provided in the shell, the leading note bracket offers the 5th
Voice guide hole, the 5th voice guide hole are connected to first voice guide hole and second voice guide hole.
Preferably, in above-mentioned terminal device, it is folded with Air Filter between the leading note bracket and the mainboard upper cover, it is described
Air Filter is covered on the joining place of the 5th voice guide hole and second voice guide hole.
Preferably, in above-mentioned terminal device, the first voice guide hole is provided on the center of the shell and runs through the center,
5th voice guide hole includes the second leading note section and the third leading note section being connected to the second leading note section, the second leading note section
Intersect with the third leading note section, the second leading note section be connected to first voice guide hole and with first voice guide hole
It is consistent to penetrate through direction, the third leading note section is connected to and consistent with the perforation direction of second voice guide hole with the second voice guide hole.
Preferably, in above-mentioned terminal device, the inner wall packet of the joining place of the second leading note section and the third leading note section
Include guiding surface.
Preferably, in above-mentioned terminal device, on the leading note direction, the cross-sectional area of the leading note slot is gradually reduced,
And the cross-sectional area of second voice guide hole is greater than the cross-sectional area of the third voice guide hole.
Preferably, in above-mentioned terminal device, the sound-absorbing structure part is located in the first leading note section.
Preferably, in above-mentioned terminal device, the sound-absorbing structure part is adhesively fixed in the leading note slot.
Preferably, further include sealing element in above-mentioned terminal device, the sealing element be fixed on the display module with it is described
Between mainboard upper cover, the sealing element is arranged around the edge of the notch.
Preferably, in above-mentioned terminal device, the sound-absorbing structure part is acoustical cotton.
The technical solution adopted in the utility model can reach it is following the utility model has the advantages that
Terminal device disclosed by the utility model improves the structure of existing terminal device, in connection microphone
Leading note channel in be arranged sound-absorbing structure part, the acoustical absorbance properties of sound-absorbing structure part can increase acoustic resistance, and then can reduce leading note
The resonance peak in channel finally can be realized the inhibition to resonance peak so that microphone has relatively flat response curve,
To which audio fruit is adopted in enhancing.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is the part-structure sectional view of terminal device disclosed in the utility model embodiment, and the dotted arrow in Fig. 1 is
Adopt the signal in sound direction；
Fig. 2 is the partial structure diagram of terminal device disclosed in the utility model embodiment.
Description of symbols:
100- shell, the first voice guide hole of 110-,
200- mainboard upper cover, 210- leading note slot, the second voice guide hole of 220-, 230- third voice guide hole,
300- circuit board, the 4th voice guide hole of 310-,
400- microphone,
500- sound-absorbing structure part,
600- leading note bracket, the 5th voice guide hole of 610-, the second leading note of 611- section, 612- third leading note section, 613- guiding are oblique
Face,
700- display module,
800- Air Filter,
900- sealing element.
Specific embodiment
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
It is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to the utility model
The range of protection.
Below in conjunction with attached drawing, technical solution disclosed in each embodiment of the utility model is described in detail.
Fig. 1-Fig. 2 is please referred to, the utility model embodiment discloses a kind of terminal device, and disclosed terminal device includes wheat
Gram wind 400 and sound-absorbing structure part 500.
Microphone 400 is the sound collection component of terminal device, and microphone 400 is located at the inside of terminal device.This is practical
The inside of terminal device disclosed in new embodiment has leading note channel, and leading note channel is connected to microphone 400, specifically, leading
Sound channel can be connected to the external environment of microphone 400 Yu terminal device, and in the specific course of work, microphone 400 can be with
Pass through the sound in the external environment of leading note channel acquisition terminal equipment.
Sound-absorbing structure part 500 is arranged in leading note channel, and sound-absorbing structure part 500 is made of sound-absorbing material, sound-absorbing structure part
500 have acoustical absorbance properties.In a kind of specific embodiment, sound-absorbing structure part 500 can be acoustical cotton, and certainly, this is practical new
Type embodiment does not limit the specific material of sound-absorbing structure part 500.
Terminal device disclosed in the utility model embodiment improves the structure of existing terminal device, is being connected to
Sound-absorbing structure part 500 is set in the leading note channel of microphone 400, the acoustical absorbance properties of sound-absorbing structure part 500 can increase acoustic resistance, into
And can reduce the resonance peak in leading note channel, so that microphone has relatively flat response curve, it finally can be real
Now to the inhibition of resonance peak, so that audio fruit is adopted in enhancing.
Terminal device disclosed in the utility model embodiment includes shell 100, mainboard upper cover 200 and circuit board 300, mainboard
Upper cover 200 is mounted in shell 100, and circuit board 300 is arranged in mainboard upper cover 200, and microphone 400 can be set in circuit board
On 300, in this case, circuit board 300 not only provides installation site for microphone 400, and at the same time, circuit board 300 is also
It can power for microphone 400.Specifically, microphone 400 is usually arranged on the circuit board 300 by paster technique.
There are many structures and generation type in leading note channel, as long as the outside of microphone 400 Yu terminal device can be connected to
Environment.Terminal device disclosed in the utility model embodiment generally includes display module 700, and display module 700 can pacify
On shell 100, mainboard upper cover 200 can offer leading note slot 210, display module 700 towards the surface of display module 700
It is covered on the notch of leading note slot 210, the first leading note section of display module 700 and the formation of leading note slot 210 leading note channel.Namely
It says, after display module 700 is covered on the notch of leading note slot 210, the space of display module 700 and the formation of leading note slot 210 can
As one section of leading note channel.In such structure, by opening up leading note slot 210 in mainboard upper cover 200, then pass through mainboard
It is assembled to form a part of sound-guiding structure between upper cover 200 and display module 700, the inside that can make full use of terminal device is empty
Between.
In more preferably scheme, the both ends of the bottom surface of leading note slot 210 can offer 220 He of the second voice guide hole respectively
Third voice guide hole 230, the second voice guide hole 220 and third voice guide hole 230 run through mainboard upper cover 200, due to the second voice guide hole 220
It is provided with the bottom surface of leading note slot 210 with third voice guide hole 230, therefore the second voice guide hole 220 and third voice guide hole 230 are and above
The the first leading note section connection formed.Based on this, in the utility model embodiment, leading note channel may include the second voice guide hole
220, the first leading note section and third voice guide hole 230.On the leading note direction in leading note channel, the second voice guide hole 220, the first leading note section
It can be sequentially communicated with third voice guide hole 230.In such cases, the second voice guide hole 220, the first leading note section and third voice guide hole
The structures of 230 connections have bending, therefore are conducive to the dustproof design in leading note channel, thus avoid dust in external environment into
Enter the inside to terminal device.
It should be noted that in the utility model embodiment, the bottom surface of leading note slot 210 refers to direction in leading note slot 210
The inner surface of the notch of leading note slot 210.
Specifically, the cross-sectional area of leading note slot 210 can be gradually reduced on leading note direction, such structure formed the
One leading note section is also that cross-sectional area is gradually reduced, and is conducive to the effective bandwidth for extending microphone works, and then can reduce because humorous
Vibration frequency Forward and caused by microphone clipping distortion, recording noise and multiple microphone frequency responses it is inconsistent caused by
The poor problem of noise reduction effect.It should be noted that the cross-sectional area of leading note slot 210, refers to prolonging perpendicular to leading note slot 210
Stretch the area in the section that direction is cutd open.
Under the premise of the cross-sectional area of leading note slot 210 is gradually reduced in leading note direction, the cross section of the second voice guide hole 220
Product can be greater than the cross-sectional area of third voice guide hole 230, this can further assist the leading note slot 210 of above structure, reach more
Good noise reduction effect, while can preferably improve recording quality.It should be noted that the cross-sectional area of the second voice guide hole 220,
Refer to the area in the section that the perforation direction perpendicular to the second voice guide hole 220 is cutd open.Similarly, third voice guide hole 230 is transversal
Area refers to the area in the section that the perforation direction perpendicular to third voice guide hole 230 is cutd open.
In terminal device disclosed in the utility model embodiment, shell 100 can offer the first voice guide hole 110, circuit
Plate 300, which can be set, deviates from the surface of display module 700 in mainboard upper cover 200, and circuit board 300 offers the 4th voice guide hole 310,
Microphone 400, which can be set, deviates from the plate face of mainboard upper cover 200, the first voice guide hole 110, the second voice guide hole in circuit board 300
220, the first leading note section, third voice guide hole 230 and the 4th voice guide hole 310 are sequentially communicated and form leading note channel described above.
Under normal conditions, circuit board 300 is arranged close to mainboard upper cover 200, and the setting of microphone 400 deviates from mainboard upper cover in circuit board 300
200 plate face can undoubtedly better adapt to the internal environment of terminal device, to realize more compact assembly.
In order to ensure the appearance of terminal device, it is generally the case that the first voice guide hole 110 can be set on the side of shell 100
On frame, and deviate from display module 700, such set-up mode also reduces the intensity shadow that 700 part of display module is supported to shell 100
It rings.As described above, mainboard upper cover 200 and circuit board 300 are closer to display module 700, in order to which the more convenient leading note that formed leads to
Leading note bracket 600 has can be set in more preferably scheme in road in shell 100, leading note bracket 600 can offer
Five voice guide holes 610, the 5th voice guide hole 610 is connected to the first voice guide hole 110 and the second voice guide hole 220, so as to relatively well make up
The alternate position spike of first voice guide hole 110 and the second voice guide hole 220.Specifically, leading note bracket 600 can be plastic stent, thus not
Meeting generates large effect to the main screw lift of terminal device.
In the utility model embodiment, the first voice guide hole 110 is usually provided on the center of shell 100, the first leading note
Center is run through in hole 110.Referring again to Fig. 1, in the utility model embodiment, the 5th voice guide hole 610 may include second leading
Segment 611 and third leading note section 612, the second leading note section 611 are connected to third leading note section 612, and the second leading note section 611 is led with third
Segment 612 intersects.Second leading note section 611 is connected to the first voice guide hole 110 and can be with the perforation direction of the first voice guide hole 110
Unanimously, third leading note section 612 is connected to the second voice guide hole 220 and can be consistent with the perforation direction of the second voice guide hole 220.On
The 5th voice guide hole 610 for stating structure can be realized the steering in leading note channel, and then can adapt to the dress of terminal device for greater flexibility
Match.
In more preferably scheme, the second leading note section 611 and the inner wall of the joining place of third leading note section 612 may include
Guiding surface 613, guiding surface 613 can be avoided dust in the heap of the second leading note section 611 and the joining place of third leading note section 612
Product.At the same time, guiding surface 613 can also play good leading note effect, avoid influence of the linking dead angle to sound quality is adopted.
It, can in leading note channel in terminal device disclosed in the utility model embodiment in order to play good dust-proof effect
To be provided with Air Filter 800, Air Filter 800 can play dust-proof effect, and then can be avoided the dust in external environment and pass through
Leading note channel enters within microphone 400.
In order to facilitate the installation of Air Filter 800, while dust being avoided to enter the too deep position in leading note channel, in preferred side
In case, Air Filter 800 is covered on the joining place of the 5th voice guide hole 610 and the second voice guide hole 220.As shown in Figure 1, in the mistake of assembly
Cheng Zhong, Air Filter 800 are fixed between mainboard upper cover 200 and leading note bracket 600.In order to facilitate assembly, Air Filter 800 and gluing
Foam part be combined into an entirety after, be fixed between mainboard upper cover 200 and leading note bracket 600.
In terminal device disclosed in the utility model embodiment, sound-absorbing structure part 500 be can be set in each of leading note channel
A position, as described above, the first leading note section are cooperatively formed by leading note slot 210 with display module 700, this are based on, preferred
Scheme in, sound-absorbing structure part 500 can be located at the first leading note section in.During assembly, operator will can first inhale
Sound structural member 500 is installed in leading note slot 210, then realizes the assembly of display module 700 Yu mainboard upper cover 200, above-mentioned knot again
Structure facilitates the installation of sound-absorbing structure part 500, also facilitates the disassembly of sound-absorbing structure part 500 certainly.In order to improve the stability of installation,
Avoid sound-absorbing structure part 500 play, sound-absorbing structure part 500 in the first leading note section that from being fixed in leading note slot 210, specifically
, sound-absorbing structure part 500 can be fixed in leading note slot 210 by way of bonding.
It more preferably being docked to realize, terminal device disclosed in the utility model embodiment can also include sealing element 900,
Sealing element 900 is fixed between display module 700 and mainboard upper cover 200, and sealing element 900 is around the side of the notch of leading note slot 210
Edge setting, so that display module 700 docks place's leakproofness with higher with leading note slot 210, it is ensured that have and preferably lead
Audio fruit.
In the utility model embodiment, sealing element 900 can be sealing foam part, be also possible to silica gel part, this is practical new
Type embodiment does not limit the specific material of sealing element 900.
Terminal device disclosed in the utility model embodiment can be mobile phone, tablet computer, E-book reader, game
The terminal devices such as machine, wearable device (such as smartwatch), the utility model embodiment do not limit specific kind of terminal device
Class.
Emphasis describes the difference between each embodiment in the utility model foregoing embodiments, between each embodiment
As long as different optimization feature non-contradiction, can combine to form more preferably embodiment, it is contemplated that style of writing is succinct, this then no longer
It repeats.
The above description is only the embodiments of the present invention, is not intended to limit the utility model.For this field
For technical staff, various modifications and changes may be made to the present invention.All institutes within the spirit and principle of the utility model
Any modification, equivalent substitution, improvement and etc. of work, should be included within the scope of the claims of the utility model.
Claims (14)
1. a kind of terminal device, which is characterized in that including microphone (400) and sound-absorbing structure part (500), the terminal device
Inside has the leading note channel being connected to the microphone (400), and the sound-absorbing structure part (500) is arranged in the leading note channel
In.
2. terminal device according to claim 1, which is characterized in that the terminal device includes shell (100), on mainboard
(200) and circuit board (300) are covered, the mainboard upper cover (200) is mounted in the shell (100), and the circuit board (300) sets
It sets and covers on (200) on the main board, the microphone (400) is arranged on the circuit board (300).
3. terminal device according to claim 2, which is characterized in that the terminal device includes display module (700), institute
It states display module (700) to be mounted on the shell (100), the mainboard upper cover (200) is towards the display module (700)
Surface offers leading note slot (210), and the display module (700) is covered on the notch of the leading note slot (210), and described aobvious
Show that mould group (700) and the leading note slot (210) form the first leading note section in the leading note channel.
4. terminal device according to claim 3, which is characterized in that distinguish at the both ends of the bottom surface of the leading note slot (210)
Offer the second voice guide hole (220) and third voice guide hole (230) through the mainboard upper cover (200), the leading note channel packet
Second voice guide hole (220), the first leading note section and the third voice guide hole (230) are included, in leading for the leading note channel
On sound direction, second voice guide hole (220), the first leading note section and the third voice guide hole (230) are sequentially communicated.
5. terminal device according to claim 4, which is characterized in that the shell (100) offers the first voice guide hole
(110), lid (200) is described away from the surface of the display module (700) on the main board for circuit board (300) setting
Circuit board (300) offers the 4th voice guide hole (310), and microphone (400) setting is in the circuit board (300) away from described
The plate face of mainboard upper cover (200)；First voice guide hole (110), second voice guide hole (220), the first leading note section, institute
It states third voice guide hole (230) and the 4th voice guide hole (310) is sequentially communicated and forms the leading note channel.
6. terminal device according to claim 5, which is characterized in that be provided with leading note bracket in the shell (100)
(600), the leading note bracket (600) offers the 5th voice guide hole (610), the 5th voice guide hole (610) connection described first
Voice guide hole (110) and second voice guide hole (220).
7. terminal device according to claim 6, which is characterized in that the leading note bracket (600) and the mainboard upper cover
(200) it is folded between Air Filter (800), the Air Filter (800) is covered on the 5th voice guide hole (610) and described second
The joining place of voice guide hole (220).
8. terminal device according to claim 6, which is characterized in that the first voice guide hole (110) is provided with the shell
(100) on center and run through the center, the 5th voice guide hole (610) includes the second leading note section (611) and with described the
The third leading note section (612) of two leading note sections (611) connection, the second leading note section (611) and third leading note section (612) phase
It hands over, the second leading note section (611) is connected to first voice guide hole (110) and the perforation with first voice guide hole (110)
Direction is consistent, and the third leading note section (612) is connected to the second voice guide hole (220) and passes through with the second voice guide hole (220)
Logical direction is consistent.
9. terminal device according to claim 8, which is characterized in that the second leading note section (611) is led with the third
The inner wall of the joining place of segment (612) includes guiding surface (613).
10. terminal device according to claim 4, which is characterized in that on the leading note direction, the leading note slot
(210) cross-sectional area is gradually reduced, and the cross-sectional area of second voice guide hole (220) is greater than the third voice guide hole
(230) cross-sectional area.
11. terminal device according to claim 3, which is characterized in that the sound-absorbing structure part (500) is located at described first
In leading note section.
12. terminal device according to claim 11, which is characterized in that the sound-absorbing structure part (500) is adhesively fixed on
In the leading note slot (210).
13. terminal device according to claim 3, which is characterized in that further include sealing element (900), the sealing element
(900) it is fixed between the display module (700) and the mainboard upper cover (200), the sealing element (900) surrounds the slot
The edge setting of mouth.
14. terminal device according to claim 1 to 13, which is characterized in that the sound-absorbing structure part (500)
For acoustical cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920692496.1U CN209593684U (en) | 2019-05-15 | 2019-05-15 | Terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920692496.1U CN209593684U (en) | 2019-05-15 | 2019-05-15 | Terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209593684U true CN209593684U (en) | 2019-11-05 |
Family
ID=68347416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920692496.1U Active CN209593684U (en) | 2019-05-15 | 2019-05-15 | Terminal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209593684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114070910A (en) * | 2020-08-04 | 2022-02-18 | 华为技术有限公司 | Shell and electronic equipment |
-
2019
- 2019-05-15 CN CN201920692496.1U patent/CN209593684U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114070910A (en) * | 2020-08-04 | 2022-02-18 | 华为技术有限公司 | Shell and electronic equipment |
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